Mortise Locks The AM and BM Series Mortise Locks come with an expansive range of trims and options available for a variety of end user applications. AM SeriesArrow AM Series Knob Mortise Locks are engineered for str… BM SeriesArrow BM Series Lever Mortise Locks are intended for heav… Retrofit Indicator Kits for Best® and Schlage® Mortise LocksIndicators can be used in a variety of applications and a…